appendicularia(redirected from Larvacea)
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tadpole larvathe larva of a tunicate (ASCIDIACEA). It possesses a tail, NOTOCHORD and tubular nerve cord, and is indicative of the evolutionary relationships of the adults.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005